#post {
  font-size: 16px;
  line-height: 2;
  max-width: 700px;
  padding: 0px 20px;
  height: auto;
  margin: 0 auto;
}
.content img {
  max-width: 100%;
  height: auto;
  margin: 1.5rem auto;
  display: block;
}
.post-date {
  float: left;
  font-size: 15px;
  color: #bbb;
}
.post-title {
  padding-top: 20px;
}
.tags {
  display: inline-block;
}
.share {
  display: inline-block;
  float: right;
  margin: 0.4rem 0;
  width: fit-content;
}
.post-nav {
  display: flex;
  margin-bottom: 10px;
}
.post-nav-item {
  flex: 1;
  padding: 10px 0 0 0;
  vertical-align: top;
}
.post-nav-item a {
  position: relative;
  display: block;
  line-height: 25px;
  color: #555;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  border-bottom: none;
}
.post-nav-next a {
  padding-right: 15px;
  text-align: right;
}
.post-nav-prev a {
  padding-left: 15px;
}
.post-nav-prev .fa {
  position: absolute;
  left: 0;
  top: 30%;
  font-size: 12px;
  line-height: 100%;
}
.post-nav-next .fa {
  position: absolute;
  right: 0;
  top: 30%;
  font-size: 12px;
  line-height: 100%;
}
.post-copyright {
  background-color: #f8f8f8;
  border-left: 3px;
  border-left-style: solid;
  border-left-color: #91b3f6;
}
.copyright-item {
  padding: 5px;
}
.back {
  float: right;
}
.tags-back {
  padding: 15px;
  font-weight: bold;
}
